Allow custom status bars to override notifications, centered prints and chat prompt.

src/console/c_console.cpp

@@ -773,6 +773,19 @@ void FNotifyBuffer::AddString(int printlevel, FString source)
 		con_notifylines == 0)
 		return;
 
+	// [MK] allow the status bar to take over notify printing
+	if (StatusBar != nullptr)
+	{
+		IFVIRTUALPTR(StatusBar, DBaseStatusBar, ProcessNotify)
+		{
+			VMValue params[] = { (DObject*)StatusBar, printlevel, &source };
+			int rv;
+			VMReturn ret(&rv);
+			VMCall(func, params, countof(params), &ret, 1);
+			if (!!rv) return;
+		}
+	}
+
 	width = DisplayWidth / active_con_scaletext(generic_ui);
 
 	FFont *font = generic_ui ? NewSmallFont : AlternativeSmallFont;
@@ -960,6 +973,12 @@ int DPrintf (int level, const char *format, ...)
 void C_FlushDisplay ()
 {
 	NotifyStrings.Clear();
+	if (StatusBar == nullptr) return;
+	IFVIRTUALPTR(StatusBar, DBaseStatusBar, FlushNotify)
+	{
+		VMValue params[] = { (DObject*)StatusBar };
+		VMCall(func, params, countof(params), nullptr, 1);
+	}
 }
 
 void C_AdjustBottom ()
@@ -1740,6 +1759,17 @@ void C_MidPrint (FFont *font, const char *msg, bool bold)
 	if (StatusBar == nullptr || screen == nullptr)
 		return;
 
+	// [MK] allow the status bar to take over MidPrint
+	IFVIRTUALPTR(StatusBar, DBaseStatusBar, ProcessMidPrint)
+	{
+		FString msgstr = msg;
+		VMValue params[] = { (DObject*)StatusBar, font, &msg, bold };
+		int rv;
+		VMReturn ret(&rv);
+		VMCall(func, params, countof(params), &ret, 1);
+		if (!!rv) return;
+	}
+
 	if (msg != nullptr)
 	{
 		auto color = (EColorRange)PrintColors[bold? PRINTLEVELS+1 : PRINTLEVELS];

src/ct_chat.cpp

@@ -41,6 +41,7 @@
 #include "v_video.h"
 #include "utf8.h"
 #include "gstrings.h"
+#include "vm.h"
 
 enum
 {
@@ -233,8 +234,30 @@ void CT_PasteChat(const char *clip)
 void CT_Drawer (void)
 {
 	FFont *displayfont = NewConsoleFont;
+
+	if (players[consoleplayer].camera != NULL &&
+		(Button_ShowScores.bDown ||
+		 players[consoleplayer].camera->health <= 0 ||
+		 SB_ForceActive) &&
+		 // Don't draw during intermission, since it has its own scoreboard in wi_stuff.cpp.
+		 gamestate != GS_INTERMISSION)
+	{
+		HU_DrawScores (&players[consoleplayer]);
+	}
 	if (chatmodeon)
 	{
+		// [MK] allow the status bar to take over chat prompt drawing
+		bool skip = false;
+		IFVIRTUALPTR(StatusBar, DBaseStatusBar, DrawChat)
+		{
+			FString txt = ChatQueue;
+			VMValue params[] = { (DObject*)StatusBar, &txt };
+			int rv;
+			VMReturn ret(&rv);
+			VMCall(func, params, countof(params), &ret, 1);
+			if (!!rv) return;
+		}
+
 		FStringf prompt("%s ", GStrings("TXT_SAY"));
 		int x, scalex, y, promptwidth;
 
@@ -268,16 +291,6 @@ void CT_Drawer (void)
 		screen->DrawText (displayfont, CR_GREY, promptwidth, y, printstr, 
 			DTA_VirtualWidth, screen_width, DTA_VirtualHeight, screen_height, DTA_KeepRatio, true, TAG_DONE);
 	}
-
-	if (players[consoleplayer].camera != NULL &&
-		(Button_ShowScores.bDown ||
-		 players[consoleplayer].camera->health <= 0 ||
-		 SB_ForceActive) &&
-		 // Don't draw during intermission, since it has its own scoreboard in wi_stuff.cpp.
-		 gamestate != GS_INTERMISSION)
-	{
-		HU_DrawScores (&players[consoleplayer]);
-	}
 }
 
 //===========================================================================

wadsrc/static/zscript/constants.zs

@@ -1352,3 +1352,17 @@ enum EMonospacing
 	Mono_CellCenter = 2,
 	Mono_CellRight = 3
 };
+
+enum EPrintLevel
+{
+	PRINT_LOW,		// pickup messages
+	PRINT_MEDIUM,	// death messages
+	PRINT_HIGH,		// critical messages
+	PRINT_CHAT,		// chat messages
+	PRINT_TEAMCHAT,	// chat messages from a teammate
+	PRINT_LOG,		// only to logfile
+	PRINT_BOLD = 200,				// What Printf_Bold used
+	PRINT_TYPES = 1023,		// Bitmask.
+	PRINT_NONOTIFY = 1024,	// Flag - do not add to notify buffer
+	PRINT_NOLOG = 2048,		// Flag - do not print to log file
+};

wadsrc/static/zscript/ui/statusbar/statusbar.zs

@@ -335,6 +335,13 @@ class BaseStatusBar native ui
 	virtual void ShowPop (int popnum) { ShowLog = (popnum == POP_Log && !ShowLog); }
 	virtual bool MustDrawLog(int state) { return true; }
 
+	// [MK] let the HUD handle notifications and centered print messages
+	virtual bool ProcessNotify(EPrintLevel printlevel, String outline) { return false; }
+	virtual void FlushNotify() {}
+	virtual bool ProcessMidPrint(Font fnt, String msg, bool bold) { return false; }
+	// [MK] let the HUD handle drawing the chat prompt
+	virtual bool DrawChat(String txt) { return false; }
+
 	native TextureID GetMugshot(int accuracy, int stateflags=MugShot.STANDARD, String default_face = "STF");
 	
 	// These functions are kept native solely for performance reasons. They get called repeatedly and can drag down performance easily if they get too slow.